baber/WOPTO huggingface dataset:
Patent GB-928294-A (GB)
Title: Improvements relating to milling cutters
Inventor: JOHNSON CLIFFORD DOUGLAS
IPC: B23C5/24
Filed: 1961-05-10
Abstract: 928,294. Milling-cutters. RICHARD LLOYD Ltd. April 4, 1962 [May 10, 1961], No. 16948/61. Class 83 (3). A milling cutter comprising a circular body 1 having transverse slots 2 in its peripheral portion, is provided with cutting units each comprising a holder of L-shaped section adapted to be fixed within a slot 2 with the shorter arm 3<SP>1</SP> of the L overhanging the front face of the body 1, the holder carrying a clamp for fixing a readily removable throw-away cutter tip 4 to the holder. The longer arm or shank 3 of the holder is fixed in the slot 2 in the body 1 by a wedge 10 operated by screws 11 and provided with an extracting screw 13. The cutter tip 4 is held in a recess 5 in one lateral face of the arm 3<SP>1</SP> of the holder by a loose clamping jaw 6 connected to the holder by a screw 7. In a modification, Fig. 6, the cutter tip 4 is adjusted and set in relation to the holder by a locking bar 14 slidably disposed adjacent the holder 3, between the holder and the face of the wedge 10, and operable by a screw 16 inserted into a tapped hole in the holder shank and having a head 16 which engages a recess in the side of the adjusting bar. The bar 14 is ground to a taper section with its thicker edge presented radially downwards and is provided with a right-angled notch to engage the blade. In another modification which provides for a similar adjustment, the shank of the holder is utilized as a wedge.
Patent GB-624561-A (GB)
Title: Improvements in or relating to electrical signalling systems
IPC: H04J3/06
Filed: 1945-07-04
Abstract: 624,561. Pulse modulation. JEFFERSON, S., LEWIS, W. B., and STARR, A. T. July 4, 1945, No. 17106. [Class 40 (v)] [Also in Group XXXVIII] Spaced identifying or interrogating pulses are applied to a delay device for storing an early pulse and re-delivering it in coincidence with a later pulse, the occurrence of a coincidence actuating responding equipment. As applied to the system disclosed in Specification 584,670 and 624,558 in which two stations transmit pulses modulated on to carrier of the same frequency, each station precedes its sequence of pulses by an identifying pulse of constant width distinctively spaced from the sequence ; at the receiver, the received signal is applied at T1, Fig. 1, to the control grid of a valve V10 over a delay network DN, and to the suppressor grid of the same valve over a differentiating circuit C1, R1, which reduces the first pulse of the sequence to a pulse of the same width as the identifying pulse ; if coincidence occurs, a pulse is applied to delay circuit DEL3 forming part of a filter as disclosed in Specification 594,798, to terminate the delay of delay device DEL3, thus bringing the recurrence frequency to which the filter responds into agreement with that of the incoming signal ; the delayed pulses across R8 are applied to switching device SD which is controlled by DEL1 which emits a pulse coincident with the termination of the delay of DEL3. As applied to a responding beacon, the delayed and undelayed signals are applied through a limiting circuit PWL, Fig. 3, to suppressor and control grids of a valve V so that on coincidence a pulse is developed at T2 to operate the beacon. The identifying signal may be used as a synchronizing signal in the system disclosed in Specification 590,067. The delay device DN may be as disclosed in Specification 582,758. Specifications 579,860, 585,347, 588,777 and 590,066 also are referred to.
Patent GB-546965-A (GB)
Title: Improvements in vehicle bodies
IPC: B62D31/04
Filed: 1940-11-30
Abstract: 546,965. Vehicle bodies. BRUSH COACHWORK, Ltd., and HATTON, H. W. Nov. 30, 1940, No: 17109. [Class 108 (i)] A double-deck vehicle body comprises pillars that extend uninterruptedly upwards beyond the upper deck, transverse roof struts connected at each end to a cantrail carried by the pillars, the floor of the upper deck terminating at each side of the vehicle short of the ends of its supporting roof sticks and an upwardly curved or inclined truss plate or cove panel extending from each side edge of the floor to the pillars. The lower floor may similarly terminate short of the ends of its transverse supporting members. The pillars and the transverse floor supporting members each comprise a wooden fillet between spaced metal parts and to which the panelling and flooring are screwed. The pillars 1 extend from the sole bar 5 to the upper cantrail 6 and are preferably of the kind described in Specification 486,245, comprising a metal member or members with a wooden insert 2 to which the outer panelling 3 is screwed. The lower floor 15 is carried by transverse members each of which comprise a pair of metal channels 18 with a wooden insert 19 bolted together and secured to the sole bar 5 and to brackets 23. The floor is screwed to the insert 19 and terminates short of the sole bar and an upwardly curved cove panel 17 extends from the floor edge to the waist rail 9. The roof sticks of the upper deck each comprise a channel 28 connected to the cantrail 11 and a wooden insert 30 to which the floor 36 is screwed. Flanged brackets 31 are bolted at 40 to the members 28, 30 and are riveted to the pillars 1. The floor 36 terminates short of the pillars and a longitudinal upwardly curved or inclined truss plate extends from the floor edge to the pillars to which and the brackets 31 it is riveted at 38, 39. The upper cantrail 6 is of angle section with the face extendirig over the upper end of the pillars 1, Fig. 7, and the upper roof sticks 24 of T-section are secured to this cantrail and the pillars by plates 24<SP>11</SP>, 25. These roof sticks are preferably joggled near each end to pass through the roof as described in Specification 380,956, a wooden filling piece 26 and cover strip 27 being provided.
Patent GB-542861-A (GB)
Title: Improvements in or relating to electrical highly-inductive apparatus such as power transformers and chokes
IPC: H01F30/08
Filed: 1940-12-02
Abstract: 542,861. Transformers ; reactors. FERRANTI, Ltd., and ROBINSON, J. E. L. Dec. 2, 1940, No. 17130. [Class 38 (ii)] Voltage stresses due to surges penetrating transformer, reactor and like inductance windings connected to a transmission line are reduced by inserting between the winding discs c, d, gapped rings e, a, f, g, h, i of magnetic material. Additionally, a spiral strip of magnet material j may be inserted between the turns of each disc.
Patent GB-1478838-A (GB)
Title: Fuse-switch
IPC: H01H3/48
Filed: 1974-04-19
Abstract: 1478838 Mechanical switches IMISANTON Ltd 19 April 1974 [22 March 1973] 00171/77 Divided out of 1478837 Heading H1N The description is the same as that in Specification 1,478,837, but the claims relate to a fuse switch which includes a base member and a plurality of relatively movable electrically insulating fuse carriers each adapted to accommodate a fuse link, each fuse carrier being individually readily demountable from the switch base which has a plurality of pairs of contacts each fuse carrier having a pair of contacts, the switch also including a switch operating mechanism which is operable between switch closed and switch open positions to cause movement of the fuse carriers and thus engagement and disengagement of the contacts.
Patent GB-149123-A (GB)
Title: An improved mineral water syphon stand
IPC: A47G23/02
Filed: 1919-07-09
Abstract: 149,123. Slee, R. G. July 9, 1919. Stands.-A stand for mineral-water siphons is provided with a clip attached at its upper end to the inside wall of the stand and adapted at its lower end c to engage the siphon. The clip may consist of a leaf spring, as shown, or of a member hinged at its upper end and acted on at its lower end by a helical or leaf spring.
Patent GB-1424227-A (GB)
Title: Viscosimeter
IPC: G01N11/06
Filed: 1973-04-10
Abstract: 1424227 Measuring viscosity CIBA-GEIGY AG 10 April 1973 [10 April 1972] 17266/73 Heading G1S  In a viscosimeter in which the rate of flow of a liquid under test through a capillary 2 into a measuring vessel 6 is determined, overflow vessels, preferably formed as identical funnels 3, 4, are connected both upstream and downstream of the capillary to cancel forces acting on the liquid due to its surface tension. The capillary 2 is preferably formed in one arm of a U-tube 1 into which liquid is supplied from vessel 5, excess liquid draining through outlet 7. Liquid passing through the tube 1 into vessel 6 is collected and the time taken for the liquid to rise between electrical contacts 10 and 11 is a measure of the liquid viscosity. In alternative embodiments Figs. 2 and 4 (not shown), the capillary is mounted in the shorter arm of the U-tube 1 and the measuring cycle is automatically controlled. In Figs. 3 and 4 (not shown), the liquid passing into vessel 6 can be returned to the vessel 5 by a pump or by vacuum action for recirculation. Means may be provided for creating a pressure difference above the liquid surfaces in the vessels 5 and 6 so that the liquid viscosity can be measured at different rates of shear.
Patent GB-197854-A (GB)
Title: Improvements in or relating to inter-valve and telephone transformers for use in wireless receiving apparatus
IPC: H01F19/02
Filed: 1922-06-24
Abstract: 197,854. Elwell, Ltd., C. F., and Mittell, B. E. G. June 24, 1922. Drawings to Specification. Transformers. - An inter-valve or telephone, transformer for wireless receiving apparatus is combined in one unit with a thermionic-valve holder, with the object of attaining compactness and reducing the interaction occasioned by the adventiticus coupling of valves through their wiring. In the preferred form, a square ironclad transformer, which may also carry other apparatus such as a grid condenser, carries a valve holder and terminals on its lid and is internally wired to make the necessary connections between these parts and the transformer.
Patent GB-1018022-A (GB)
Title: Electrically-heated cooking assembly
Inventor: PERL RICHARD LEO
IPC: F24C15/10
Filed: 1964-04-28
Abstract: 1,018,022. Two-part couplings. TAPPAN CO. April 28, 1964, No. 17564/64. Heading H2E. [Also in Division H5] The plug contact for an electric cooking vessel 23 comprises an insulating member 36 which, with its fellow 51 comprises the handle of the vessel and which carries contacts in the form of metal inserts 41-44 each threadedly engaged to a screw 50. The inserts 41-44 and screws 50 are sealed by O-rings 45, hat seals 47 and insulating washers 48, and screws 50 are connected to leads from the vessel heating element and temperature sensing device. The vessel 23 is energized by inserting the handle 36 through an aperture 52 in the panel of a cooking range or oven top, Figs. 1 and 11 (not shown), so that inserts 41-44 engage spring contact blades 55-58 which are connected to the supply through a push-button switch 63 closed by engagement of the handle 36. The aperture 52 may be screened by normallyclosed shutters, Figs. 12 and 13 (not shown), and modifications may be made to the number, shape and disposition of the contacts 41-44, 55-58, e.g. the inserts 41-44 may be tubular and may be double-headed to engage pairs of spring blades 55-58.
Patent GB-971702-A (GB)
Title: Improvements relating to methods of strengthening glass objects
IPC: H01J29/87
Filed: 1961-05-15
Abstract: A method of locally strengthening a glass object, e.g. a cathode-ray tube, comprises coating a zone of the object in which tensile stresses may occur with a layer of devitrifiable glaze having a coefficient of expansion lower than that of the glass object and heating the zone until the glaze acquires a crystal structure. A suspension of powdered glaze in ethyl acetate, alcohol or water which may contain a binder, e.g. nitro-cellulose, may be applied by spraying, smearing or dipping.  In an example, a glass object having the composition 70.3% SiO2, 0.5% Li2O, 7.8% Na2O, 7.5% K2O, 11.1% BaO, 2.5% Al2O3, 0.3% Sb2O3 (coefficient of expansion 95 x 10-7 at 30-300 DEG  C.) is coated with a devitrifiable glaze consisting of 22.7% B2O3, 68.2% ZnO, 9.1% P2O5 (coefficient of expansion 45 x 10-7 at 30-300 DEG  C.).
Patent GB-380419-A (GB)
Title: Improvements in picture assembling apparatus for television receivers
IPC: H04N3/08
Filed: 1932-06-21
Abstract: 380,419. Television receivers. SUDDEUTSCHE TELEFON-APPARATE KABELUND DRAHTWERKE AKT.- GES., TEKADE, Nuremberg, Germany. June 21, 1932, No. 17590. Convention date, June 27, 1931. [Class 40 (iii).] Relates to a television receiver, in which the scanning device comprises a plurality of mirrors 1 arranged side by side along a rotary axis, each mirror being relatively displaced about this axis, and consists in distributing the mirrors over a number of spirals, a screen 5 rotating so that only one of the mirrors in the same angular position is uncovered for scanning at any instant. The screen 5 preferably comprises a cylinder having a helical slot 6 of one turn and of width equal to one spiral of the mirror screw, and if the mirrors 1 are distributed over 3 spirals the screen 5 rotates at one-third the speed of the mirror screw. The mirror screw and screen may be driven separately or coupled together by gear wheels, or a friction drive.
Patent GB-146254-A (GB)
Title: A duplicating apparatus in which the printing is effected by the aid of a stencil
IPC: B41L13/04
Filed: 1920-06-28
Abstract: 146,254. Breuer, A., and Heyn, A. March 14, 1919, [Convention date]. Stencilling; tripping-arrangements.-In duplicating apparatus in which a stencil is supported by feed bands engaging a pair of cylinders the upper one of which is spring supported and against the other a pressure roller is periodically pressed and retracted by cams, the springs are independently adjustable, and the cams are mounted on the axis of the lower cylinder. Projections on the bands engage depressions in the cylinders, and the stencil is carried by a support in two parts adapted to be moved laterally apart. Cylinders G and H, Fig. 1, are connected by bands J carrying a stencil, and paper is pressed against the lower cylinder H by a roller g. The spindle K of the upper cylinder G is mounted in bolts b slidable vertically in guides a having threaded engagement with hollow screws d in which are mounted springs c bearing against the ends of the bolts b so as normally to place the bands J under tension. The tension of each band is therefore independently adjustable, and the cylinder G and bands J may be released for replacement &c. by withdrawing the screw d. The roller g is supported in a slot f in a plate c bv ono end of a bell-crank lever h pivoted to the plate e, the other end of which is forced by a spring i into engagement with a stop k by means of an adjustable screw r. The plate e is guided in a vertical direction by arms l and m pivoted at Q and R to the frame P of the machine, and is raised or lowered by a bar n engaging a roller o on the plate e and guided by links n<1> and n<2> pivoted to the frame P and to the bar n, which is connected to a slotted lever p pivoted at p<5> to the frame P and operated by a cam disk v engaging a roller p<3> to lower the plate e, which is raised by a similar lever p<1> connected by a cross-bar p<2> to the lever p and operated independently by a cam disk v<1>. The spring i is not extended until the roller g engages the cylinder H, and further raising of the plate e forces the roller g down into the slot f. The lever p<1> is then approximately vertical so that the mechanical advantage is high and a small pressure only is required to press the roller g into printing engagement. The bands J are provided at equal distances apart with rivets s the heads of which are adapted to engage corresponding recesses in the edges of the cylinders G and H whereby the bands J are reinforced and a silent drive is ensured. Two oppositely disposed rivets s are replaced by screws to which a cross-bar u, Fig. 3, is attached by nuts t. Mounted on the bar u are two slide bars v and v<1> provided with projections w engaging slots N in the upper edge L of the stencil M and adapted to be separated by rotating a disk having slots engaging pins v<2> on the bars or by moving the bar v<1> to the right. The slots N may be of the form shown in Fig. 7, so that the projections w are retained in alinement.
Patent GB-640757-A (GB)
Title: Apparatus for bending work pieces
IPC: B21D11/07
Filed: 1948-06-30
Abstract: 640,757. Angular bending. ARMCO INTERNATIONAL CORPORATION. June 30, 1948, No. 17668. [Class 83 (iv)] Apparatus for bending tubes, rods or the like comprises an oscillatory member, a pair of bending members mounted on the oscillatory member and between which the work is advanced into position for bending and means for oscillating the member to form a succession of reverse bends in the work. The apparatus comprises a table 10 with the bending mechanism at the centre and a radial slot 85 housing a guide tube 84 through which the work is fed from roller feed mechanism 12. The feed mechanism comprises chaindriven intergeared rolls of rubber or like material and the upper roll may be moved to or from the lower roll by a compressed air cylinder 73 and a link 75. Bolted to the frame of the feed mechanism is an oscillating bar 80 to which the guide tube is secured and which extends up to an enlargement 86 of the slot 85 at the centre of the table where the end of the bar is shaped as shown in Figs. 9, 11 and 15 with two notches 87 and 88. The bending mechanism comprises two grooved rolls 20, 21, mounted on studs 19 upstanding from a head 18 at the end of a vertical shaft 17. The shaft is oscillated by a gear 23 engaging a rack 24 movable by compressed air cylinders 28, 29 between limits determined by stops 36 and 37 simultaneously adjustable towards or away from each other by a screw 38. Beneath the rolls 20, 21 the studs have enlarged portions 20a, 21a adapted to engage in the notches 87, 88 at the end of the bar 80 which is urged forwards by a spring 90 into a position determined by a stop 96. In operation, the work T is fed forward to a stop 115 and then gripped by a clamp 100 beyond the end of the guide tube and operated by a compressed air cylinder 110. The head 18 is then turned from the position of Fig. 9 to the position of Fig. 11, the stud enlargement 21a entering the notch 87 of the bar 80 which swings as shown while the roll 20 bends the work about the roll 21. The head 18 is turned back to its normal position, the work again advanced to the stop 115 and the head then turned in the reverse direction to form the second bend as shown in Fig. 15. In order to accommodate the lateral and longitudinal movements of the bar 80, the feeding mechanism is carried by a frame 51 having rocker elements 53 with arcuate ends underlying guides 52 carried by the main support 50.
Patent GB-1300999-A (GB)
Title: Improved circuits for power control
IPC: H02M1/08
Filed: 1970-04-14
Abstract: 1300999 Control systems for consuming apparatus TEXAS INSTRUMENTS Ltd 14 April 1970 17737/70 Heading H2H A circuit for controlling the power supplied to a load from an A.C. source comprises a solid state gated bidirectional switching device connected between the source and the load, the switching device being controlled so as to become conductive at zero voltage instants of the A.C. source. The switching device is made conductive for predetermined, adjustable, numbers of half cycles of the A.C. supply. The current flowing in a load 7 supplied from an A.C. source 8 is controlled by means of a triac 9, the firing pulses for which are derived from a pulse generating circuit 14. The circuit 14 is controlled by devices 10-13 so that the derived pulses appear at the zero instants of the half cycles of the A.C. supply 8. The device 10 detects the zero points in the A.C. supply and is arranged so that a train of pulses, spaced by 180 electrical degrees, is generated corresponding to these points and which are applied to a device 11 whereby the amplitude of the pulses is controlled. The pulse train is applied to a staircase generator device 12 which generates a step waveform, each step corresponding to a pulse and the height of the step corresponding to the amplitude of the pulse. The step waveform is applied to a detector 13 which detects when the step waveform has reached a predetermined level thereby producing a pulse which causes the circuit 14 to produce a firing pulse for the triac 9. The pulse from the level detector 13 is also used to reset the staircase generator device 12. In order to compensate for the non-zero slope in the steps of the stepped waveform a connection is taken directly from the zero detecting pulse generator 10 to the firing pulse generator 14 which is effective to produce a small spike at the beginning of each step. In a second embodiment the output pulse generator 14 is arranged to produce pulses coincident with the zero voltage points with the exception that no pulse is produced when the level detector 13 generates a pulse.
Patent GB-1147945-A (GB)
Title: Improvements in or relating to methods of hot extruding metals or alloys
IPC: B21C23/32
Filed: 1966-04-22
Abstract: 1,147,945. Extruding. COMPAGNIE DU FILAGE DES METAUX ET DES JOINTS CURTY (CEFILAC). 22 April, 1966 [22 April, 1965], No. 17770/66. Heading B3P. [Also in Division C7] In the hot extrusion of a metal or alloy billet 1, the leading end thereof is pre-formed into frusto-conical shape and is surrounded by lubricant 2 within the billet container. The lubricant is preferably introduced as rings of agglomerated glass powder, fibre-glass or multicellular glass. Instead of machining the front surface of a billet of highly deformation resistant metal or alloy, a frusto-conical element of carbon steel may be fixed to the front of a plain cylindrical billet. An example is given for extruding a nickel alloy using 3 rings of agglomeated glass lubricant.
Patent GB-946144-A (GB)
Title: Improvements in or relating to receptacle supports for transportation of receptaclesby crane or the like
Inventor: SMITHSON DEREK ALAN
IPC: B66C1/10
Filed: 1961-05-16
Abstract: 946.144. Slings with article engaging means. DAVY & UNITED ENGINEERING CO. Ltd. May 15, 1962 [May 16, 1961], No. 17780/61. Heading B8H. A sling comprising members 11, 12a, 12b for simultaneously lifting a number of containers 13 has a series of pivoted latch members 14 which are rotated through 90 degrees by electrical actuators 17, levers 16b and rods 16a so that they engage under the out-turned upper edges of the containers. Alternatively hydraulic or pneumatic actuators may be employed or the levers 16b may be turned by rotary actuators. Downwardly projecting guide members help to locate the sling over the containers. Separately operable latches may be provided, operation being either by power or manually. Hooked latching arms may be provided to co-operate with eyes on the containers.